On Fri, Aug 8, 2025 at 1:33 AM Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > Christoph Moench-Tegeder <cmt@xxxxxxxxxxxxxx> writes: > > ## Dominique Devienne (ddevienne@xxxxxxxxx): > >> dd_v185=> call "Epos-DBA".db_grant_connect_to(grantee_role => 'dd_joe'); > >> ERROR: procedure Epos-DBA.db_grant_connect_to(grantee_role => > >> unknown) does not exist > >> LINE 1: call "Epos-DBA".db_grant_connect_to(grantee_role => 'dd_joe'... > > > There's the problem: "unknown" type - consider that string there as > > "too flexible", it can be coerced into too many types, so the error > > says "unknown". > > No, the issue is that the procedure's named parameter is not named > "grantee_role" but something else. We'd have coerced the unknown > parameter just fine, except that we never considered this procedure > as a valid match at all. That. And it failed just the same with a ::name cast, so no "unknown" type there. And in all of that, there's a single "Epos-DBA".db_grant_connect_to(...). So it's not like the "candidates" are a large set. --DD